numpy: handling float('NaN') different in XP vs. Linux
Robert Kern
robert.kern at gmail.com
Mon Jun 16 15:57:06 EDT 2008
John [H2O] wrote:
> Dan Bishop wrote:
>>
>> Python just uses the atof() function from the underlying C library.
>> Some of them handle NaN's, and some of them don't.
>
> As a work around, how would I write this in list comprehension form:
>
> newlist=[]
> for i in range(len(v[1])):
> try:
> newlist.append(float(v[1][i]))
> except:
> newlist.append(-999.99) # or just nan possibly?
from numpy import nan
def nanfloat(x):
if x.lower() == 'nan':
return nan
else:
return float(x)
newlist = [myfloat(x) for x in v[1]]
--
Robert Kern
"I have come to believe that the whole world is an enigma, a harmless enigma
that is made terrible by our own mad attempt to interpret it as though it had
an underlying truth."
-- Umberto Eco
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